import React, { Component } from 'react'
import {Link, Route} from "react-router-dom"
import Detail from "./Detail"

export default class Message extends Component {

  state = {
    messageArr: [
      {id: 1, title: '消息1'},
      {id: 2, title: '消息2'},
      {id: 3, title: '消息3'},
    ]
  }

  pushShow =(id, title) => {
    // params参数
    // this.props.history.push(`/home/message/detail/${id}/${title}`)

    // search参数
    // this.props.history.push(`/home/message/detail/?id=${id}&title=${title}`)

    // state参数
    this.props.history.push(`/home/message/detail`, {id, title})
  }

  replaceShow = (id, title) => {
    // params参数
    // this.props.history.replace(`/home/message/detail/${id}/${title}`)

    // search参数
    // this.props.history.replace(`/home/message/detail/?id=${id}&title=${title}`)

    // state参数
    this.props.history.replaceh(`/home/message/detail`, {id, title})
  }

  back = () => {
    this.props.history.goBack()
  }

  forward = () => {
    this.props.history.goForward()
  }

  go = (num) => {
    return () => {
      console.log(num)
      this.props.history.go(num);
    }
  }

  render() {
    const {messageArr} = this.state
    return (
      <div>
        Message组件内容
        <hr/>
        <ul>
          {
            messageArr.map(msgObj => {
              return (
                <li key={msgObj.id}>
                  {/* 想路由组件传递params参数 */}
                  {/* <Link to={`/home/message/detail/${msgObj.id}/${msgObj.title}`}>{msgObj.title}</Link> */}
                  
                  {/* 向路由组件传递search参数 */}
                  {/* <Link to={`/home/message/detail/?id=${msgObj.id}&title=${msgObj.title}`}>{msgObj.title}</Link> */}
                
                  {/* 向路由组件传递state参数 */}
                  <Link to={{pathname: '/home/message/detail', state: {id: msgObj.id, title: msgObj.title}}}>{msgObj.title}</Link>
                
                  &nbsp;&nbsp;<button onClick={() => this.pushShow(msgObj.id, msgObj.title)}>push查看</button>
                  &nbsp;&nbsp;<button onClick={() => this.replaceShow(msgObj.id, msgObj.title)}>replace查看</button>
                </li>
              )
            })
          }
        </ul>
        <hr/>
        {/* 声明接收params参数 */}
        {/* <Route path="/home/message/detail/:id/:title" component={Detail} /> */}

        {/* search参数无需声明接收，正常注册即可 */}
        {/* <Route path="/home/message/detail" component={Detail} /> */}

        {/* state参数无需声明接收，正常注册即可 */}
        <Route path="/home/message/detail" component={Detail} />

        <button onClick={this.back}>回退</button>&nbsp;
        <button onClick={this.forward}>前进</button>&nbsp;
        <button onClick={this.go(-1)}>Go 倒退1步 -1</button>&nbsp;
        <button onClick={this.go(1)}>Go 前进1步 1</button>&nbsp;
      </div>
    )
  }
}
